get IE version from HttpServletRequest - Java javax.servlet.http

Java examples for javax.servlet.http:HttpServletRequest

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  4. HttpServletRequest

Description

get IE version from HttpServletRequest

Demo Code


import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.servlet.http.HttpServletRequest;

public class Main{
    private final static String IE11 = "rv:11.0";
    private final static String IE10 = "MSIE 10.0";
    private final static String IE9 = "MSIE 9.0";
    private final static String IE8 = "MSIE 8.0";
    private final static String IE7 = "MSIE 7.0";
    private final static String IE6 = "MSIE 6.0";
    private final static String FIREFOX = "Firefox";
    private final static String OPERA = "Opera";
    private final static String CHROME = "Chrome";
    private final static String SAFARI = "Safari";
    //w w w  .  ja va  2 s.  co m
    public static Double getIEversion(HttpServletRequest request) {
        Double version = 0.0;
        if (getBrowserType(request, IE11)) {
            version = 11.0;
        } else if (getBrowserType(request, IE10)) {
            version = 10.0;
        } else if (getBrowserType(request, IE9)) {
            version = 9.0;
        } else if (getBrowserType(request, IE8)) {
            version = 8.0;
        } else if (getBrowserType(request, IE7)) {
            version = 7.0;
        } else if (getBrowserType(request, IE6)) {
            version = 6.0;
        }
        return version;
    }
    
    public static BrowserType getBrowserType(HttpServletRequest request) {
        BrowserType browserType = null;
        if (getBrowserType(request, IE11)) {
            browserType = BrowserType.IE11;
        }
        if (getBrowserType(request, IE10)) {
            browserType = BrowserType.IE10;
        }
        if (getBrowserType(request, IE9)) {
            browserType = BrowserType.IE9;
        }
        if (getBrowserType(request, IE8)) {
            browserType = BrowserType.IE8;
        }
        if (getBrowserType(request, IE7)) {
            browserType = BrowserType.IE7;
        }
        if (getBrowserType(request, IE6)) {
            browserType = BrowserType.IE6;
        }
        if (getBrowserType(request, FIREFOX)) {
            browserType = BrowserType.Firefox;
        }
        if (getBrowserType(request, SAFARI)) {
            browserType = BrowserType.Safari;
        }
        if (getBrowserType(request, CHROME)) {
            browserType = BrowserType.Chrome;
        }
        if (getBrowserType(request, OPERA)) {
            browserType = BrowserType.Opera;
        }
        if (getBrowserType(request, "Camino")) {
            browserType = BrowserType.Camino;
        }
        return browserType;
    }
    private static boolean getBrowserType(HttpServletRequest request,
            String brosertype) {
        return request.getHeader("USER-AGENT").toLowerCase()
                .indexOf(brosertype) > 0 ? true : false;
    }
}

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